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Version 70.1 by Xiaoye on 2022/08/01 09:40
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Xiaoling 69.2 1 (% style="text-align:center" %)
Edwin Chen 43.1 2 [[image:image-20220620202334-2.png||height="467" width="809"]]
Xiaoye 4.1 3
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5 (((
Xiaoling 69.2 6
Xiaoye 4.1 7
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Xiaoye 5.1 10
11 **Table of Contents：**
12
13 {{toc/}}
14
Xiaoling 69.2 15
Kilight Cao 11.1 16 = **1. Introduction** =
Xiaoye 5.1 17
Kilight Cao 12.1 18 == **1.1 What is LPS8v2** ==
Xiaoye 5.1 19
Xiaoling 69.2 20
Xiaoye 5.1 21 (((
Xiaoling 69.7 22 (((
Edwin Chen 44.1 23 The LPS8v2 is an (% style="color:green" %)**open-source LoRaWAN Gateway**(%%). It lets you bridge LoRa wireless network to an IP network via (% style="color:green" %)**WiFi , Ethernet or Cellular Network**(%%) (via Optional 4G module). The LoRa wireless allows users to send data and reach extremely long ranges at low data rates.
Xiaoling 69.7 24 )))
Xiaoye 6.2 25
Xiaoling 69.7 26 (((
Edwin Chen 44.1 27 The LPS8v2 is fully compatible with LoRaWAN protocol. It supports different kinds of LoRaWAN Network Connections such as: (% style="color:green" %)**Semtech UDP Packet Forwarder, LoRaWAN Basic Station, ChirpStack MQTT Bridge**(%%), and so on. This makes LPS8V2 work with most LoRaWAN platforms in the market.
Xiaoling 69.7 28 )))
Xiaoye 6.2 29
Xiaoling 69.7 30 (((
Edwin Chen 44.1 31 LPS8v2 also includes a (% style="color:green" %)**built-in LoRaWAN Server and IoT server**(%%), which provide the possibility for the system integrator to deploy the IoT service without cloud service or 3rd servers.
Xiaoling 69.7 32 )))
Xiaoye 6.2 33
Xiaoling 69.7 34 (((
Edwin Chen 43.1 35 Different countries use different LoRaWAN frequency bands. LPS8v2 has these bands pre-configured. Users can also customize the frequency bands to use in their own LoRa network.
Xiaoling 69.7 36 )))
Xiaoye 6.2 37
Xiaoling 69.7 38 (((
Edwin Chen 44.1 39 LPS8v2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
Xiaoling 69.7 40 )))
Edwin Chen 43.1 41
42
Xiaoling 69.2 43
Kilight Cao 11.1 44 == **1.2 Specifications** ==
Xiaoye 6.2 45
46
Xiaoling 69.2 47 (% style="color:#037691" %)**Hardware System:**
48
Edwin Chen 46.1 49 * CPU: Quad-core Cortex-A7 1.2Ghz
Xiaoye 6.2 50 * RAM: 512MB
51 * eMMC: 4GB
52
Xiaoling 69.2 53 (% style="color:#037691" %)**Interface:**
Xiaoye 6.2 54
55 * 10M/100M RJ45 Ports x 1
Edwin Chen 45.1 56 * Multi-Channel LoRaWAN Wireless
Edwin Chen 43.1 57 * WiFi 802.11 b/g/n
Xiaoye 6.2 58
Xiaoling 69.2 59 (% style="color:#037691" %)**Operating Condition:**
Xiaoye 6.2 60
61 * Work Temperature: -20 ~~ 65°C
62 * Storage Temperature: -20 ~~ 65°C
Edwin Chen 45.1 63 * Power Input: 5V, 2A, DC
Xiaoye 6.2 64
Xiaoling 69.7 65
66
Kilight Cao 11.1 67 == **1.3 Features** ==
Xiaoye 6.2 68
Xiaoling 69.2 69
Xiaoye 6.2 70 * Open Source Debian system
71 * Managed by Web GUI, SSH via WAN or WiFi
Edwin Chen 45.1 72 * Remote Management
Edwin Chen 49.1 73 * Auto-provisioning for batch deployment and management
Xiaoye 6.2 74 * LoRaWAN Gateway
75 * 10 programmable parallel demodulation paths
Xiaoye 26.1 76 * Pre-configured to support different LoRaWAN regional settings.
Kilight Cao 11.1 77 * Allow customizing LoRaWAN regional parameters.
Edwin Chen 45.1 78 * Different kinds of LoRaWAN Connections such as
79 ** Semtech UDP Packet Forwarder
80 ** LoRaWAN Basic Station
81 ** ChirpStack-Gateway-Bridge (MQTT)
Xiaoling 69.2 82 * Built-in (% style="color:#037691" %)//**The Things Network**//(%%) local LoRaWAN server
83 * Built-in  (% style="color:#037691" %)//**Node-Red**// (%%)local Application server
Xiaoye 6.2 84
Xiaoling 69.8 85
86
Kilight Cao 11.1 87 == **1.4 Block Diagram** ==
Xiaoye 6.2 88
89
Xiaoling 69.3 90
Xiaoye 35.1 91 == **1.5 LED Indicators** ==
92
Xiaoling 69.3 93
Xiaoye 35.1 94 LPS8-V2 has totally four LEDs, They are:
95
96
Xiaoling 69.3 97 (% style="color:blue" %)//**➢ Power LED**//(%%)//: This RED LED will be solid if the device is properly powered//
Xiaoye 35.1 98
Xiaoling 69.3 99 (% style="color:blue" %)//**➢ LoRa LED**//(%%)//: This RGB LED will blink GREEN when the LoRaWAN module starts or transmit a packet//
Xiaoye 35.1 100
Xiaoling 69.3 101 (% style="color:blue" %)//**➢ SYS LED**//(%%)//: This RGB LED will show different colors in different states~://
Xiaoye 35.1 102
Xiaoling 69.3 103 // ✓ **SOLID BLUE:** The device is alive with a LoRaWAN server connection.//
Xiaoye 35.1 104
Xiaoling 69.3 105 // ✓ **BLINKING BLUE:** a) Device has internet connection but no LoRaWAN Connection. or b) Device is in booting stage, in this stage, it will BLINKING BLUE for several seconds and then with SOLID RED and BLINKING BLUE together//
Xiaoye 35.1 106
Xiaoling 69.4 107 // ✓** SOLID RED:** Device doesn't have an Internet connection.//
Xiaoye 35.1 108
Xiaoling 69.3 109 (% style="color:blue" %)//**➢ ETH LED**//(%%)//: This LED shows the ETH interface connection status.//
Xiaoye 35.1 110
111
Xiaoling 69.3 112
Xiaoye 26.1 113 = **2. Quick Start** =
Xiaoye 8.1 114
Xiaoling 69.4 115
Xiaoye 26.1 116 The LPS8-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
Xiaoye 8.1 117
Xiaoye 26.1 118 In most cases, the first thing you need to do is make the lps8-v2 accessible to the network.
Xiaoye 8.1 119
120
Xiaoling 69.4 121
Xiaoye 35.1 122 == **2.1 Connects to the network and accesses the gateway Web UI** ==
Xiaoye 8.1 123
124
Xiaoye 35.1 125 == **2.1.1 connect the network.** ==
Xiaoye 8.1 126
Xiaoye 35.1 127 === ===
Xiaoye 8.1 128
Xiaoling 69.4 129 === (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
Xiaoye 26.1 130
Xiaoling 69.4 131
Xiaoling 69.10 132 (((
Xiaoye 35.1 133 Connect the LPS8-V2 Ethernet port to your router and LPS8 can obtain an IP address from your router. In the router's management portal, you should be able to find what IP address the router has assigned to the LPS8-V2.
Xiaoling 69.10 134 )))
Xiaoye 26.1 135
Xiaoling 69.10 136 (((
Xiaoye 35.1 137 You can also use this IP to connect.
Xiaoling 69.10 138 )))
Xiaoye 35.1 139
140 [[image:image-20220622100129-1.png||height="332" width="1263"]]
141
142
143
Xiaoling 69.4 144 === (% style="color:blue" %)**Method 2**(%%):  Connect via WiFi with DHCP IP from the router ===
Xiaoye 35.1 145
Xiaoling 69.4 146
Xiaoye 35.1 147 [[image:image-20220622100542-2.png||height="369" width="1256"]]
148
149
Xiaoling 69.11 150 (((
Xiaoye 35.1 151 The LPS8-V2 has a fall-back IP address on its WAN port. you have to access the gateway Web-UI to configure the WiFi connection via the fallback IP address.
Xiaoling 69.11 152 )))
Xiaoye 35.1 153
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Xiaoling 69.4 156 (% style="color:#037691" %)**Steps to connect via fallback IP:**
Xiaoye 35.1 157
Xiaoling 69.11 158 ~1. Connect PC's Ethernet port to LPS8-V2's WAN port
Xiaoling 69.4 159
Xiaoye 35.1 160 2. Configure PC's Ethernet port has  IP: 172.31.255.253 and Netmask: 255.255.255.252
161
162 [[image:image-20220622101433-4.png]]
163
164
165 and then On the PC, use the IP address **http:~/~/172.31.255.254** to access the LPS8-V2 via Web or Console.
166
167
168 [[image:image-20220622102210-5.png||height="569" width="1039"]]
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Xiaoling 69.4 171 Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
Xiaoye 35.1 172
173
174 [[image:image-20220622102702-6.png]]
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Xiaoling 69.4 177
Xiaoye 35.1 178 **Wi-Fi configuration successful**
179
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181 [[image:image-20220622102847-7.png]]
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Xiaoling 69.4 183
Xiaoye 35.1 184 [[image:image-20220622102901-8.png||height="513" width="1011"]]
185
186
187
Xiaoye 26.1 188 == **2.2 The LPS8-V2 is registered and connected to The Things Network** ==
189
190
Xiaoye 41.1 191 === **2.2.1 Select your area frequency** ===
Xiaoye 26.1 192
Xiaoling 69.4 193
Xiaoling 69.12 194 (((
Xiaoye 41.1 195 First, you need to set the frequency plan in LPS8-V2 to match the end node we use, so to receive the LoRaWAN packets from the LoRaWAN sensor.
Xiaoling 69.12 196 )))
Xiaoye 26.1 197
Xiaoye 41.1 198 [[image:image-20220622103332-9.png]]
Xiaoye 26.1 199
200
Xiaoling 69.4 201
Xiaoye 41.1 202 === **2.2.2 Get the only gateway EUI** ===
203
Xiaoling 69.4 204
Xiaoye 41.1 205 Every LPS8-V2 has a unique gateway id. The ID can be found on LoRaWAN Semtech page:
206
207 [[image:image-20220622103355-10.png]]
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Xiaoling 69.4 210 (% style="color:red" %)**Note: Choose the cluster that corresponds to a specific Gateway server address**
Xiaoye 41.1 211
Xiaoling 69.4 212
Xiaoye 41.1 213 **➢ Europe 1:**  corresponding Gateway server address:  **eu1.cloud.thethings.network**
214
215 **➢ North America 1:**  corresponding Gateway server address:  **nam1.cloud.thethings.network**
216
217 **➢ Australia 1: ** corresponding Gateway server address:  **au1.cloud.thethings.network**
218
219 **➢ Legacy V2 Console:** TTN v2 shuts down in December 2021
220
221
222 [[image:image-20220622103956-12.png]]
223
224
225
226 == 2.2.3 Register the gateway to The Things Network ==
227
Xiaoling 69.4 228
Xiaoye 41.1 229 **Login to The Things Network**
230
231 [[https:~~/~~/console.cloud.thethings.network/>>https://console.cloud.thethings.network/]]
232
Xiaoling 69.4 233
Xiaoye 41.1 234 **Add the gateway**
235
236 [[image:image-20220622104252-13.png||height="511" width="953"]]
237
238
239 **Get it online**
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241
Xiaoling 69.4 242
Kilight Cao 15.1 243 = **3. Web Configure Pages** =
Xiaoye 8.1 244
245
Kilight Cao 15.1 246 == **3.1 Home** ==
Kilight Cao 11.1 247
Xiaoling 69.4 248
Kilight Cao 23.1 249 //Shows the system running status~://
Kilight Cao 15.1 250
Xiaoling 69.4 251
Kilight Cao 15.1 252 == **3.2 LoRa Settings** ==
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Kilight Cao 23.1 255 === **3.2.1 LoRa ~-~-> LoRa** ===
Kilight Cao 15.1 256
257
Kilight Cao 23.1 258 //This page shows the LoRa Radio Settings. There is a set of default frequency bands according to LoRaWAN protocol, and users can customize the band* as well.//
Kilight Cao 15.1 259
Kilight Cao 23.1 260 //Different LPS8v2 hardware versions can support different frequency ranges~://
Kilight Cao 15.1 261
Kilight Cao 23.1 262 * (% style="color:#0000ff" %)//**868**//(% style="color:black" %)//: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865.//
263 * (% style="color:#0000ff" %)//**915**//(% style="color:black" %)//: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920//
Xiaoye 8.1 264
Kilight Cao 23.1 265 (% class="wikigeneratedid" %)
Xiaoling 69.4 266 //After the user choose the frequency plan,  the user can see the actual frequency is used by checking the page (% style="color:#037691" %)**LogRead ~-~-> LoRa Log**//
Kilight Cao 23.1 267
268 (% class="wikigeneratedid" %)
269 [[image:image-20220616110739-1.png||height="372" width="682"]]
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Xiaoling 69.4 272 (((
Xiaoling 69.5 273 (% style="color:red" %)//**Note *: See this instruction for how to customize the frequency band: **//(%%)**//__[[How to customized LoRaWAN frequency band - DRAGINO>>url:http://8.211.40.43/xwiki/bin/view/Main/How%20to%20customized%20LoRaWAN%20frequency%20band/]]__//**
Xiaoling 69.4 274 )))
Kilight Cao 23.1 275
276
277
278 == **3.3 LoRaWAN Settings** ==
279
280
281 === **3.3.1 LoRaWAN ~-~-> LoRaWAN Semtech UDP** ===
282
283
284 //This page is for the connection set up to a general LoRaWAN Network server such as [[TTN>>url:http://www.thethingsnetwork.org/]], [[ChirpStack>>url:https://www.chirpstack.io/]], etc.//
285
286 [[image:image-20220616111932-2.png||height="516" width="672"]]
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Xiaoling 69.5 289
Kilight Cao 23.1 290 === **3.3.2 LoRaWAN ~-~-> LoRaWAN Basic Station** ===
291
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293 //This page is for the connection set up to the TTN Basic Station, AWS-IoT, etc.//
294
295 [[image:image-20220616113246-3.png||height="396" width="672"]]
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Xiaoling 69.12 298 (((
Kilight Cao 23.1 299 Please see this instruction to know more detail and a demo for how to use of LoRaWAN Basic Station: __[[Use of LoRaWAN Basic Station - DRAGINO>>url:http://8.211.40.43/xwiki/bin/view/Main/Use%20of%20LoRaWAN%20Basic%20Station/]]__
Xiaoling 69.12 300 )))
Kilight Cao 23.1 301
302
Xiaoling 69.5 303
Kilight Cao 23.1 304 == **3.4 Network Settings** ==
305
306
307 === **3.4.1 Network ~-~-> WiFi** ===
308
309
310 [[image:image-20220616114756-4.png||height="251" width="669"]]
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Xiaoling 69.5 313
Kilight Cao 23.1 314 === **3.4.2 Network ~-~-> System Status** ===
315
316
317 [[image:image-20220616115229-5.png||height="548" width="665"]]
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Xiaoling 69.5 320
Kilight Cao 23.1 321 === **3.4.3 Network ~-~-> Firewall** ===
322
323
324 [[image:image-20220616115351-6.png||height="244" width="661"]]
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Xiaoling 69.5 327
Kilight Cao 23.1 328 == **3.5 System** ==
329
330
331 === **3.5.1  System ~-~-> System Overview** ===
332
333
334 Shows the system info:
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336
Xiaoling 69.5 337
Kilight Cao 23.1 338 === **3.5.2 System ~-~-> Backup/Restore** ===
339
340
341 [[image:image-20220616115808-7.png||height="194" width="649"]]
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Xiaoye 60.1 345 = **4. Build-in LoRaWAN Network  Server ~-~- The Things Network - Stack (TTN-V3)** =
Xiaoye 53.1 346
347
Xiaoling 69.5 348 The default factory version of LPS8-V2 is installed with the Built-in LoRaWAN Server: (% style="color:blue" %)**The Things Network - Stack (Open Source 3.19 Version).**
Xiaoye 53.1 349
Xiaoling 69.5 350 You can access the gateway's built-in LNS server of **The Things Network - Stack **via the URL( (% style="background-color:yellow" %)__**//http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address> //**__(%%)) in your browser.
Xiaoye 53.1 351
Kilight Cao 58.1 352
Xiaoling 69.5 353 Such as  (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
Kilight Cao 58.1 354
355
Xiaoye 60.1 356 Login account:
Kilight Cao 59.1 357
Xiaoling 69.5 358 **User ID: ** ** (% style="background-color:yellow" %)admin(%%)**
Xiaoye 60.1 359
Xiaoling 69.5 360 **Password: ** ** (% style="background-color:yellow" %)dragino(%%)**
Xiaoye 60.1 361
362
Kilight Cao 57.1 363 [[image:image-20220725171719-1.png||height="570" width="769"]]
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365
Xiaoling 69.12 366 (((
Xiaoye 70.1 367 (% style="color:red" %)**Note:  A portion of the sample devices that were not installed with the TTN-Stack
Xiaoling 69.5 368 You can complete the installation manually with the following command.**
Xiaoling 69.12 369 )))
Kilight Cao 58.1 370
Xiaoling 69.5 371
Xiaoye 67.1 372 (% class="box infomessage" %)
373 (((
Xiaoling 69.12 374 (((
Xiaoling 69.14 375 (% style="background-color:#fcf8e3" %)cd /tmp && wget [[http:~~/~~/repo.dragino.com/release/tool/ttnstack/autoinstall_ttn-stack.sh>>http://repo.dragino.com/release/tool/ttnstack/autoinstall_ttn-stack.sh]]
Xiaoling 69.13 376 chmod +x /tmp/autoinstall_ttn-stack.sh && /tmp/autoinstall_ttn-stack.sh ttn-stack
Xiaoling 69.12 377 )))
Xiaoye 67.1 378 )))
379
380
Xiaoling 69.5 381
Xiaoye 60.1 382 = **5. Build-in Application Server ~-~- Node-Red** =
Xiaoye 53.1 383
384
Xiaoling 69.6 385 The default factory version of LPS8-V2 is installed with the built-in Applicant server: (% style="color:blue" %)**Node-Red.**
Kilight Cao 59.1 386
Xiaoling 69.6 387 You can access the gateway's built-in AS server of **Node-Red **via the URL((% style="background-color:yellow" %)__**//http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address>//**__(%%)) in your browser.
Kilight Cao 59.1 388
389
Xiaoling 69.6 390 Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or [[http:~~/~~/<Local-IPV4-Address~>>>http://<Local-IPV4-Address>]]//**__
Xiaoye 60.1 391
Xiaoling 69.6 392
Kilight Cao 57.1 393 [[image:image-20220725172124-3.png||height="610" width="843"]]
Xiaoye 53.1 394
395
Xiaoling 69.12 396 (((
Xiaoling 69.6 397 (% style="color:red" %)**Note:  A portion of the sample devices that were not installed with Node-Red.
398 You can complete the installation manually with the following command.**
Xiaoling 69.12 399 )))
Xiaoye 53.1 400
Xiaoye 61.1 401
402
Xiaoye 64.1 403 (% class="box infomessage" %)
404 (((
Xiaoling 69.12 405 (((
Xiaoling 69.13 406 (% style="background-color:#fcf8e3" %)cd /tmp && wget  http:~/~/repo.dragino.com/release/tool/nodered/autoinstall_nodered.sh
Xiaoye 67.1 407 chmod +x /tmp/autoinstall_nodered.sh && /tmp/autoinstall_nodered.sh node-red
Xiaoye 64.1 408 )))
Xiaoling 69.12 409 )))
Xiaoye 61.1 410
Xiaoye 69.1 411 [[image:image-20220728102000-1.png]]
Xiaoye 61.1 412
413
Xiaoling 69.6 414
Kilight Cao 23.1 415 (% style="color:inherit; font-family:inherit; font-size:29px" %)**10. Supports**
416
Xiaoling 69.6 417
Kilight Cao 14.1 418 (((
419 **//If you are experiencing issues and can't solve them, you can send mail to [[support@dragino.com>>mailto:support@dragino.com]].//**
420 )))
Xiaoye 8.1 421
Kilight Cao 14.1 422 (((
423 **//With your question as detailed as possible. We will reply and help you in the shortest.//**
Kilight Cao 15.1 424
Edwin Chen 50.1 425
Xiaoling 69.6 426
Edwin Chen 50.1 427 = **11 Reference** =
428
Xiaoling 69.6 429
Edwin Chen 52.1 430 * Install Tago Core: Refer **Install Tago Core in LPS8v2** in[[ Instruction>>doc:Main.Tago\.IO.WebHome]].
Edwin Chen 50.1 431
Kilight Cao 15.1 432
Kilight Cao 14.1 433 )))
Xiaoye 8.1 434
Edwin Chen 50.1 435 = **12. Order Info** =
Xiaoye 8.1 436
Xiaoling 69.6 437
Edwin Chen 42.1 438 (% style="color:#0000ff" %)**LPS8v2-XXX-YYY**
Xiaoye 8.1 439
Kilight Cao 14.1 440 (% style="color:#0000ff" %)**XXX**(% style="color:black" %): Frequency Band
Xiaoye 8.1 441
Xiaoling 69.6 442 * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
443 * (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
444 * (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
445 * (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
446 * (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
447 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
Xiaoye 8.1 448
Edwin Chen 42.1 449 (% style="color:#0000ff" %)**YYY**(% style="color:black" %): 4G Cellular Option
450
Xiaoling 69.6 451 * (% style="color:red" %)**E**(%%):  EMEA, Korea, Thailand, India.
452 * (% style="color:red" %)**A**(%%):  North America/ Rogers/AT&T/T-Mobile.
453 * (% style="color:red" %)**AU**(%%): Latin America, New Zeland, Taiwan
454 * (% style="color:red" %)**J**(%%):  Japan, DOCOMO/SoftBank/ KDDI
Edwin Chen 42.1 455
456 More info about valid bands, please see [[EC25-E product page>>url:https://www.quectel.com/product/ec25.htm]].
457
458
Xiaoling 69.6 459
Edwin Chen 50.1 460 = **13. Manufacturer Info** =
Xiaoye 8.1 461
Xiaoling 69.6 462
Xiaoye 8.1 463 **Shenzhen Dragino Technology Development co. LTD**
464
465 Room 202, Block B, BCT Incubation Bases (BaoChengTai),  No.8 CaiYunRoad
466
467 LongCheng Street, LongGang District ; Shenzhen 518116,China
468
469
Xiaoling 69.6 470
Edwin Chen 50.1 471 = **14. FCC Warning** =
Xiaoye 8.1 472
Xiaoling 69.6 473
Xiaoling 69.12 474 (((
Xiaoye 8.1 475 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Xiaoling 69.12 476 )))
Xiaoye 8.1 477
Xiaoling 69.12 478 (((
Xiaoye 8.1 479 ~-~- Reorient or relocate the receiving antenna.
Xiaoling 69.12 480 )))
Xiaoye 8.1 481
Xiaoling 69.12 482 (((
Xiaoye 8.1 483 ~-~- Increase the separation between the equipment and receiver.
Xiaoling 69.12 484 )))
Xiaoye 8.1 485
Xiaoling 69.12 486 (((
Xiaoye 8.1 487 ~-~- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Xiaoling 69.12 488 )))
Xiaoye 8.1 489
Xiaoling 69.12 490 (((
Xiaoye 8.1 491 ~-~- Consult the dealer or an experienced radio/TV technician for help.
Xiaoling 69.12 492 )))
Xiaoye 8.1 493
494
Xiaoling 69.12 495 (((
Xiaoye 8.1 496 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
Xiaoling 69.12 497 )))
Xiaoye 8.1 498
499
Xiaoling 69.12 500 (((
Xiaoye 8.1 501 The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.
502 )))
Xiaoling 69.12 503 )))